# A366108 (b-file synthesized from sequence entry) 3 1 4 1 5 3 6 5 7 10 8 17 9 35 10 63 11 126 12 231 13 462 14 858 15 1716 16 3217 17 6435 18 12155 19 24310 20 46189 21 92378 22 176358 23 352716 24 676039 25 1352078 26 2600150 27 5200300 28 10029150 29 20058300 30 38779380 31 77558760 32 150270097 33 300540195 34 583401555 35 1166803110 36 2268783825 37 4537567650 38 8836315950